1 #include <pipe/p_state.h>
2 #include <pipe/p_defines.h>
3 #include <pipe/p_inlines.h>
4 #include <util/u_format.h>
5 #include <util/u_memory.h>
6 #include <util/u_math.h>
7 #include <nouveau/nouveau_winsys.h>
8 #include "nv40_context.h"
9 #include "nv40_screen.h"
10 #include "nv40_state.h"
12 struct nv40_transfer
{
13 struct pipe_transfer base
;
14 struct pipe_surface
*surface
;
19 nv40_compatible_transfer_tex(struct pipe_texture
*pt
, unsigned level
,
20 struct pipe_texture
*template)
22 memset(template, 0, sizeof(struct pipe_texture
));
23 template->target
= pt
->target
;
24 template->format
= pt
->format
;
25 template->width0
= u_minify(pt
->width0
, level
);
26 template->height0
= u_minify(pt
->height0
, level
);
28 template->last_level
= 0;
29 template->nr_samples
= pt
->nr_samples
;
31 template->tex_usage
= PIPE_TEXTURE_USAGE_DYNAMIC
|
32 NOUVEAU_TEXTURE_USAGE_LINEAR
;
35 static struct pipe_transfer
*
36 nv40_transfer_new(struct pipe_screen
*pscreen
, struct pipe_texture
*pt
,
37 unsigned face
, unsigned level
, unsigned zslice
,
38 enum pipe_transfer_usage usage
,
39 unsigned x
, unsigned y
, unsigned w
, unsigned h
)
41 struct nv40_miptree
*mt
= (struct nv40_miptree
*)pt
;
42 struct nv40_transfer
*tx
;
43 struct pipe_texture tx_tex_template
, *tx_tex
;
45 tx
= CALLOC_STRUCT(nv40_transfer
);
49 pipe_texture_reference(&tx
->base
.texture
, pt
);
54 tx
->base
.stride
= mt
->level
[level
].pitch
;
55 tx
->base
.usage
= usage
;
57 tx
->base
.level
= level
;
58 tx
->base
.zslice
= zslice
;
60 /* Direct access to texture */
61 if ((pt
->tex_usage
& PIPE_TEXTURE_USAGE_DYNAMIC
||
62 debug_get_bool_option("NOUVEAU_NO_TRANSFER", TRUE
/*XXX:FALSE*/)) &&
63 pt
->tex_usage
& NOUVEAU_TEXTURE_USAGE_LINEAR
)
66 tx
->surface
= pscreen
->get_tex_surface(pscreen
, pt
,
68 pipe_transfer_buffer_flags(&tx
->base
));
74 nv40_compatible_transfer_tex(pt
, level
, &tx_tex_template
);
76 tx_tex
= pscreen
->texture_create(pscreen
, &tx_tex_template
);
83 tx
->surface
= pscreen
->get_tex_surface(pscreen
, tx_tex
,
85 pipe_transfer_buffer_flags(&tx
->base
));
87 pipe_texture_reference(&tx_tex
, NULL
);
91 pipe_surface_reference(&tx
->surface
, NULL
);
96 if (usage
& PIPE_TRANSFER_READ
) {
97 struct nv40_screen
*nvscreen
= nv40_screen(pscreen
);
98 struct pipe_surface
*src
;
100 src
= pscreen
->get_tex_surface(pscreen
, pt
,
102 PIPE_BUFFER_USAGE_GPU_READ
);
104 /* TODO: Check if SIFM can deal with x,y,w,h when swizzling */
105 /* TODO: Check if SIFM can un-swizzle */
106 nvscreen
->eng2d
->copy(nvscreen
->eng2d
,
109 src
->width
, src
->height
);
111 pipe_surface_reference(&src
, NULL
);
118 nv40_transfer_del(struct pipe_transfer
*ptx
)
120 struct nv40_transfer
*tx
= (struct nv40_transfer
*)ptx
;
122 if (!tx
->direct
&& (ptx
->usage
& PIPE_TRANSFER_WRITE
)) {
123 struct pipe_screen
*pscreen
= ptx
->texture
->screen
;
124 struct nv40_screen
*nvscreen
= nv40_screen(pscreen
);
125 struct pipe_surface
*dst
;
127 dst
= pscreen
->get_tex_surface(pscreen
, ptx
->texture
,
128 ptx
->face
, ptx
->level
, ptx
->zslice
,
129 PIPE_BUFFER_USAGE_GPU_WRITE
);
131 /* TODO: Check if SIFM can deal with x,y,w,h when swizzling */
132 nvscreen
->eng2d
->copy(nvscreen
->eng2d
,
135 dst
->width
, dst
->height
);
137 pipe_surface_reference(&dst
, NULL
);
140 pipe_surface_reference(&tx
->surface
, NULL
);
141 pipe_texture_reference(&ptx
->texture
, NULL
);
146 nv40_transfer_map(struct pipe_screen
*pscreen
, struct pipe_transfer
*ptx
)
148 struct nv40_transfer
*tx
= (struct nv40_transfer
*)ptx
;
149 struct nv04_surface
*ns
= (struct nv04_surface
*)tx
->surface
;
150 struct nv40_miptree
*mt
= (struct nv40_miptree
*)tx
->surface
->texture
;
151 void *map
= pipe_buffer_map(pscreen
, mt
->buffer
,
152 pipe_transfer_buffer_flags(ptx
));
154 return map
+ ns
->base
.offset
+
155 ptx
->y
* ns
->pitch
+ ptx
->x
* util_format_get_blocksize(ptx
->texture
->format
);
159 nv40_transfer_unmap(struct pipe_screen
*pscreen
, struct pipe_transfer
*ptx
)
161 struct nv40_transfer
*tx
= (struct nv40_transfer
*)ptx
;
162 struct nv40_miptree
*mt
= (struct nv40_miptree
*)tx
->surface
->texture
;
164 pipe_buffer_unmap(pscreen
, mt
->buffer
);
168 nv40_screen_init_transfer_functions(struct pipe_screen
*pscreen
)
170 pscreen
->get_tex_transfer
= nv40_transfer_new
;
171 pscreen
->tex_transfer_destroy
= nv40_transfer_del
;
172 pscreen
->transfer_map
= nv40_transfer_map
;
173 pscreen
->transfer_unmap
= nv40_transfer_unmap
;